Finding the Fourth Proportional to 10,980.36, 16,471.92 and 3,582.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,980.36 : 16,471.92 = 3,582.18 : x
2. Step 2: Convert to fraction form
   10,980.36/16,471.92 = 3,582.18/x
3. Step 3: Cross multiply
   10,980.36x = 16,471.92 × 3,582.18
4. Step 4: Simplify right side
   10,980.36x = 59,005,382.39
5. Step 5: Solve for x
   x = 59,005,382.39/10,980.36
6. Step 6: Final answer
   x = 5,373.72